Merge pull request #6 from jaaufauvre/main

Added Ruby 3.x to the tests

Author: jaaufauvre

.github/workflows/test.yml

@@ -20,6 +20,7 @@ jobs:
           - 2.5
           - 2.6
           - 2.7
+          - 3.0
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ruby